SVG Reference

SVG Elements

Provides control over the glyphs used to render particular character data

x
y
dx
dy
rotate
glyphRef
format
xlink:href

<altGlyphDef>

Defines a substitution set for glyphs

id

<altGlyphItem>

Defines a candidate set of glyph substitutions

id

<animate>

Defines how an attribute of an element changes over time

attributeName="the name of the target attribute"by="a relative offset value"
from="the starting value"
to="the ending value"
dur="the duration"
repeatCount="the number of time the animation will take place"

<animateMotion>

Causes a referenced element to move along a motion path

calcMode="the interpolation mode for the animation. Can be 'discrete', 'linear', 'paced', 'spline'"
path="the motion path"
keyPoints="how far along the motion path the object shall move at the moment in time"
rotate="applies a rotation transformation"
xlink:href="an URI reference to the <path> element which defines the motion path"

Clipping is about hiding what normally would be drawn. The stencil which defines what is and what isn't drawn is called a clipping path

clip-path="the referenced clipping path is intersected with the referencing clipping path"
clipPathUnits="'userSpaceOnUse' or 'objectBoundingBox'. The second value makes units of children a fraction of the object bounding box which uses the mask (default: 'userSpaceOnUse')"

<color-profile>

Specifies a color profile description (when the document is styled using CSS)

x="the x-axis top-left corner of the cursor (default is 0)"
y="the y-axis top-left corner of the cursor (default is 0)"
xlink:href="the URI of the image to use as the cursor

<defs>

A container for referenced elements

<desc>

A text-only description for container elements or graphic elements in SVG (user agents may display the text
as a tooltip)

<ellipse>

Defines an ellipse

cx="the x-axis center of the ellipse"
cy="the y-axis center of the ellipse"
rx="the length of the ellipse's radius along the x-axis". Required.
ry="the length of the ellipse's radius along the y-axis". Required.

id="the name of the group"
fill="the fill color for the group"
opacity="the opacity for the group"

+ presentation attributes:
All

glyph

Defines the graphics for a given glyph

glyphRef

Defines a possible glyph to use

hkern

<image>

Defines an image

x="the x-axis top-left corner of the image"
y="the y-axis top-left corner of the image"
width="the width of the image". Required.
height="the height of the image". Required.
xlink:href="the path to the image". Required.

+ presentation attributes:
Color, Graphics, Images, Viewports

<line>

Defines a line

x1="the x start point of the line"
y1="the y start point of the line"
x2="the x end point of the line"
y2="the y end point of the line"

+ presentation attributes:
Color, FillStroke, Graphics, Markers

<linearGradient>

Defines a linear gradient. Linear gradients fill the object by using a vector, and can be defined as horizontal, vertical or angular gradients.

id="the unique id used to reference this pattern. Required to reference it"
gradientUnits="'userSpaceOnUse' or 'objectBoundingBox'. Use the view box or object to determine relative position of vector points. (Default 'objectBoundingBox')"
gradientTransform="the transformation to apply to the gradient"
x1="the x start point of the gradient vector (number or % - 0% is default)"
y1="the y start point of the gradient vector. (0% default)"
x2="the x end point of the gradient vector. (100% default)"
y2="the y end point of the gradient vector. (0% default)"
spreadMethod="'pad' or 'reflect' or 'repeat'"
xlink:href="reference to another gradient whose attribute values are used as defaults and stops included. Recursive"

<marker>

Markers can be placed on the vertices of lines, polylines, polygons and paths. These elements can use the marker attributes "marker-start", "marker-mid" and "marker-end"' which inherit by default or can be set to 'none' or the URI of a defined marker. You must first define the marker before you can reference it via its URI. Any kind of shape can be put inside marker. They are drawn on top of the element they are attached to

markerUnits="'strokeWidth' or 'userSpaceOnUse'. If 'strokeWidth' is used then one unit equals one stroke width. Otherwise, the marker does not scale and uses the the same view units as the referencing element (default 'strokeWidth')"
refx="the position where the marker connects with the vertex (default 0)"
refy="the position where the marker connects with the vertex (default 0)"
orient="'auto' or an angle to always show the marker at. 'auto' will compute an angle that makes the x-axis a tangent of the vertex (default 0)"
markerWidth="the width of the marker (default 3)"
markerHeight="the height of the marker (default 3)"
viewBox="the points "seen" in this SVG drawing area. 4 values separated by white space or commas. (min x, min y, width, height)"

+ presentation attributes:
All

<mask>

Masking is a combination of opacity values and clipping. Like clipping you can use shapes, text or paths to define sections of the mask. The default state of a mask is fully transparent which is the opposite of clipping plane. The graphics in a mask sets how opaque portions of the mask are

maskUnits="'userSpaceOnUse' or 'objectBoundingBox'. Set whether the clipping plane is relative the full view port or object (default: 'objectBoundingBox')"
maskContentUnits="Use the second with percentages to make mask graphic positions relative the object. 'userSpaceOnUse' or 'objectBoundingBox' (default: 'userSpaceOnUse')"
x="the clipping plane of the mask (default: -10%)"
y="the clipping plane of the mask (default: -10%)"
width="the clipping plane of the mask (default: 120%)"
height="the clipping plane of the mask (default: 120%)"

metadata

Specifies metadata

missing-glyph

mpath

<path>

Defines a path

d="a set of commands which define the path"
pathLength="If present, the path will be scaled so that the computed path length of the points equals this value"
transform="a list of transformations"

+ presentation attributes:
Color, FillStroke, Graphics, Markers

<pattern>

Defines the coordinates you want the view to show and the size of the view. Then you add shapes into your pattern. The pattern repeats when an edge of the view box (viewing area) is hit

id="the unique id used to reference this pattern." Required.
patternUnits="'userSpaceOnUse' or 'objectBoundingBox'. The second value makes units of x, y, width, height a fraction (or %) of the object bounding box which uses the pattern."
patternContentUnits="'userSpaceOnUse' or 'objectBoundingBox'"
patternTransform="allows the whole pattern to be transformed"
x="pattern's offset from the top-left corner (default 0)"
y="pattern's offset from the top-left corner. (default 0)"
width="the width of the pattern tile (default 100%)"
height="the height of the pattern tile (default 100%)"
viewBox="the points "seen" in this SVG drawing area. 4 values separated by white space or commas. (min x, min y, width, height)"
xlink:href="reference to another pattern whose attribute values are used as defaults and any children are inherited. Recursive"

<polygon>

Defines a graphic that contains at least three sides

points="the points of the polygon. The total number of points must be even". Required.
fill-rule="part of the FillStroke presentation attributes"

+ presentation attributes:
Color, FillStroke, Graphics, Markers

<polyline>

Defines any shape that consists of only straight lines

points="the points on the polyline". Required.

+ presentation attributes:
Color, FillStroke, Graphics, Markers

<radialGradient>

Defines a radial gradient. Radial gradients are created by taking a circle and smoothly changing values between gradient stops from the focus point to the outside radius.

gradientUnits="'userSpaceOnUse' or 'objectBoundingBox'. Use the view box or object to determine relative position of vector points. (Default 'objectBoundingBox')"
gradientTransform="the transformation to apply to the gradient"
cx="the center point of the gradient (number or % - 50% is default)"
cy="the center point of the gradient. (50% default)"
r="the radius of the gradient. (50% default)"
fx="the focus point of the gradient. (0% default)"
fy="The focus point of the gradient. (0% default)"
spreadMethod="'pad' or 'reflect' or 'repeat'"
xlink:href="Reference to another gradient whose attribute values are used as defaults and stops included. Recursive"

x="a list of x-axis positions. The nth x-axis position is given to the nth character in the text. If there are additional characters after the positions run out they are placed after the last character. 0 is default"
y="a list of y-axis positions. (see x). 0 is default"
dx="a list of lengths which moves the characters relative to the absolute position of the last glyph drawn. (see x)"
dy="a list of lengths which moves the characters relative to the absolute position of the last glyph drawn. (see x)"
rotate="a list of rotations. The nth rotation is performed on the nth character. Additional characters are NOT given the last rotation value"
textLength="a target length for the text that the SVG viewer will attempt to display the text between by adjusting the spacing and/or the glyphs. (default: The text's normal length)"
lengthAdjust="tells the viewer what to adjust to try to accomplish rendering the text if the length is specified. The two values are 'spacing' and 'spacingAndGlyphs'"

A text-only description for elements in SVG - not displayed as part of the
graphics. User agents may display the text
as a tooltip

<tref>

References any <text> element in the SVG document and reuse it

Identical to the <text> element

<tspan>

Identical to the <text> element but can be nested inside text tags and inside itself

Identical to the <text> element
+ in addition:
xlink:href="Reference to a <text> element"

<use>

Uses a URI to reference a <g>, <svg> or other graphical element with a unique id attribute and replicate it. The copy is only a reference to the original so only the original exists in the document. Any change to the original affects all copies.

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